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Why does lighting strike antennas?
Lightning can strike antennas because they are tall and metal structures that provide a direct path for electrical discharge to the ground. The metal in the antenna can conduct the electrical charge from the lightning strike, helping to protect the structure from damage.
What metal is use to make the dial of watch to minimize the magnetic effect?
A common metal used to make the dial of a watch is soft iron, as it helps to minimize the magnetic effect on the movement of the watch. Soft iron is known for its ability to attract and channel magnetic fields, thereby protecting the delicate internal components of the watch from being affected by external magnetic forces.
Why Nickel metal hydride batteries do not suffer quite as much from the memory effect as do nickel cadmium batteries?
Nickel metal hydride (NiMH) batteries have a different internal chemistry compared to nickel cadmium (NiCd) batteries, which contributes to their reduced memory effect. NiMH batteries have less pronounced voltage depression during partial discharges, making them less susceptible to developing memory effect. Additionally, NiMH batteries exhibit better tolerance to overcharging and deep discharging than NiCd batteries, helping to mitigate memory effect issues.
Is mounting a 96 fiberglass cb antenna on an aluminum tool box a good idea?
Mounting a fiberglass CB antenna on an aluminum tool box can work, but the aluminum may interfere with the antenna's performance since it can act as a shield. It's recommended to place the antenna on a non-metallic surface like a magnetic mount or use a mount that isolates the antenna from the metal box to prevent signal interference.
When a metal is heated sufficently electrons are emitted by the metal. this phenomenon is known as?
This phenomenon is known as the photoelectric effect. When metals are heated to high temperatures, they can emit electrons due to the energy provided by the heat, which can overcome the work function of the metal. This effect is significant in various applications, including photodetectors and solar cells.
Glass antenna mean in cars?
Means you don't have an antenna on the roof, but rather a sliver of metal taped to the windscreen, acting as an antenna.
What are the material is used manufacturing Parabolic reflector antenna?
A parabolic reflector antenna is made of fiberglass or metal (usually aluminum).
How plasma antenna works?
A plasma antenna is a type of antenna in which the metal conducting elements of a conventional antenna are replaced by plasma. A new antenna made of plasma (a gas heated to the point that the electrons are ripped free of atoms and molecules) works just like conventional metal antennas except that it vanishes when you turn it off.
Why antenna is not made by wood?
Wood does not conduct the radio waves. Metal does.
Is there a platinum in parabolic disc antenna?
It would be a waste of precious metal if there was.
What is a horn antenna?
A horn antenna is an antenna that consists of a flaring metal waveguide shaped like a horn to direct radio waves in a beam. Horn antennas are used as antennas at UHF and microwave frequencies that are above 300 MHz.
What metal is best to make an antenna?
Copper is the best metal for making an antenna due to its high electrical conductivity, corrosion resistance, and ability to optimize signal transmission. Aluminum and silver are also commonly used for antennas, depending on the specific requirements of the antenna design.
How do wireless antennas share information?
they dont. An antenna is simply a piece of metal hooked to a device (normally a radio or a walkie-talkie). A receiver (for example, a radio) pick up electrical signals from the antenna, and a transmitter sends them to the antenna. They can be combined to form a transceiver which then sends and receives signals from the antenna.
Can magnet be used as an antenna?
Yes, a magnet can be used as part of an antenna system, commonly known as a magnetic loop antenna. The magnet helps to concentrate and focus the radio frequency energy, improving the antenna's efficiency and performance. It is a popular choice for portable and low-profile antenna setups.
A pocket transistor radio is in the playground. it is receiving radio 1 but the signal is weak and the radio output is quiet. when put against a metal down pipe the radio gets louder immediately why?
== == == == the metal pipe is inductively coupled with the antenna or the ground circuits by being so close. this effectively increases the antenna system. increasing the capture area gives a better signal. its a fairly common effect. often just holding a portable radio in your hand increases the signal
Connect indoor antenna?
1. Buy a Terk antenna. I have tried 4 other brands and there is no comparison. 2. Move the TV or antenna to eliminate interferance. Floresant lights or nearby metal will cause the signal to vary. 3. Connect the antenna then use your TV "menu" to tell your set to use the antenna input. Then choose "auto-program" to let your TV find signals. 4. For many channels, you have to turn the antenna or adjust the sensitivity switch.
What effect does sprite have on metal?
it disintegrates
